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Melting point / freezing point

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melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Nov. 3-11, 2020
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study without detailed documentation
Reason / purpose for cross-reference:
reference to same study
according to guideline
OECD Guideline 102 (Melting point / Melting Range)
Version / remarks:
Jul. 27, 1995
not specified
GLP compliance:
not specified
Type of method:
differential scanning calorimetry
Specific details on test material used for the study:
Name of product: ZEOCOPY 133 ex HMN
Co-No.: 258100211
Lot no.: AN 101393-06
Key result
Melting / freezing pt.:
> 550 °C
Atm. press.:
1 013 hPa

The DSC measurements were performed twice. First the heat flow curve shows a broad endothermic reaction (probably evaporation of humidity). No other thermal effect from melting was registered upon further heating.
Reweighing after the measurement the sample had lost approx. 10 -17 % of its mass.

No melting point was found between 20 and +550 °C under these conditions.

No melting point was found between 20 and +550 °C under test conditions.
Executive summary:

The melting point of Zeocopy 133 was assessed employing the DSC method. No melting point was found between 20 and +550 °C under these conditions.

Description of key information

As no melting point was found up to 550 °C under test conditions, the melting point is greater than 550 °C.

Key value for chemical safety assessment

Additional information